Hi Laszlo, judging from your eth0 mac address, this is a Dell -- probably one with a Broadcom chipset. These are known to be problematic with XEN. I guess looking at these bugs may help you: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=208242 https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=219309 Btw: There is a linux-desktops mailing list @ dell where similar problems were discussed. fs -- Fedora-xen mailing list Fedora-xen@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-xen